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Emissions codes will not reset

H

herb101

New member
I have no "check engine" light on but the car will not pass emission. I have the INNOVA plugged in and I have "CAT, EVP, and O2S" flashing on the I/M status. I can only have one flashing emissions indicator in the state of UT to pass. I never paid attention to the emissions until I took it in for the annual inspection, it was complied with when I bought it.

My car has two MAP sensors, one plugs into a vacuum source from the super charger solenoid and I could not find a plug in for the other one. The car has all new electrical wiring due to an electrical fire. Any help would be appreciated.

Herb101
 


only one map gets a vac line, and it goes to the port on the lim under the snout.

it takes many drive cycles for all system to become "ready" so as long as all items are plugged in vac lines routed right, you need to drive it and put some miles on it. 4 to 6 10 mile trips should get them all ready.
 
The darn battery terminal came loose and when I plugged it in I had five codes, now back to three instead of O2S now I have HTR. I drove the heck out of it burnt through half a tank periodically shutting it down. Thanks for your thoughts!
 
if the battery was loose, every time you turn the car off the pcm can reset on you, and make everything not ready again.
 
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